# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
-import datetime
-import feedparser
from random import randint
+from urlparse import urlparse
from django.conf import settings
from django import template
from django.template import Node, Variable, Template, Context
-from django.core.cache import cache
from django.core.urlresolvers import reverse
from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
+from django.utils.cache import add_never_cache_headers
from django.utils.translation import ugettext as _
-from catalogue.utils import related_tag_name as _related_tag_name
-from catalogue.models import Book, BookMedia, Fragment, Tag
+from ssify import ssi_variable
+from catalogue.models import Book, BookMedia, Fragment, Tag, Source
from catalogue.constants import LICENSES
+from picture.models import Picture
register = template.Library()
return reverse('main_page')
-@register.inclusion_tag('catalogue/latest_blog_posts.html')
-def latest_blog_posts(feed_url, posts_to_show=5):
- try:
- feed = feedparser.parse(str(feed_url))
- posts = []
- for i in range(posts_to_show):
- pub_date = feed['entries'][i].published_parsed
- published = datetime.date(pub_date[0], pub_date[1], pub_date[2])
- posts.append({
- 'title': feed['entries'][i].title,
- 'summary': feed['entries'][i].summary,
- 'link': feed['entries'][i].link,
- 'date': published,
- })
- return {'posts': posts}
- except:
- return {'posts': []}
-
-
@register.inclusion_tag('catalogue/tag_list.html')
def tag_list(tags, choices=None):
if choices is None:
@register.inclusion_tag('catalogue/book_info.html')
def book_info(book):
- return locals()
-
-
-@register.inclusion_tag('catalogue/book_wide.html', takes_context=True)
-def book_wide(context, book):
- book_themes = book.related_themes()
- extra_info = book.extra_info
- hide_about = extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl')
-
return {
+ 'is_picture': isinstance(book, Picture),
'book': book,
- 'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
- 'related': book.related_info(),
- 'extra_info': extra_info,
- 'hide_about': hide_about,
- 'themes': book_themes,
- 'request': context.get('request'),
- 'show_lang': book.language_code() != settings.LANGUAGE_CODE,
- }
-
-
-@register.inclusion_tag('catalogue/book_short.html', takes_context=True)
-def book_short(context, book):
- return {
- 'book': book,
- 'main_link': book.get_absolute_url(),
- 'related': book.related_info(),
- 'request': context.get('request'),
- 'show_lang': book.language_code() != settings.LANGUAGE_CODE,
- }
-
-
-@register.inclusion_tag('catalogue/book_mini_box.html')
-def book_mini(book, with_link=True):
- author_str = ", ".join(related_tag_name(tag)
- for tag in book.related_info()['tags'].get('author', ()))
- return {
- 'book': book,
- 'author_str': author_str,
- 'with_link': with_link,
- 'show_lang': book.language_code() != settings.LANGUAGE_CODE,
}
@register.inclusion_tag('catalogue/work-list.html', takes_context=True)
def work_list(context, object_list):
request = context.get('request')
- for obj in object_list:
- obj.object_type = type(obj).__name__
-
return locals()
-@register.inclusion_tag('catalogue/fragment_promo.html')
-def fragment_promo(arg=None):
- if arg is None:
- fragments = Fragment.objects.all().order_by('?')
- fragment = fragments[0] if fragments.exists() else None
- elif isinstance(arg, Book):
- fragment = arg.choose_fragment()
- else:
- fragments = Fragment.tagged.with_all(arg).order_by('?')
- fragment = fragments[0] if fragments.exists() else None
-
- return {
- 'fragment': fragment,
- }
-
-
-@register.inclusion_tag('catalogue/related_books.html')
-def related_books(book, limit=6, random=1, taken=0):
+@register.inclusion_tag('catalogue/related_books.html', takes_context=True)
+def related_books(context, book, limit=6, random=1, taken=0):
limit = limit - taken
- cache_key = "catalogue.related_books.%d.%d" % (book.id, limit - random)
- related = cache.get(cache_key)
- if related is None:
- related = Book.tagged.related_to(book,
- Book.objects.exclude(common_slug=book.common_slug),
- ignore_by_tag=book.book_tag())[:limit-random]
- cache.set(cache_key, related, 1800)
- if random:
- random_books = Book.objects.exclude(
- pk__in=[b.pk for b in related] + [book.pk])
- if random == 1:
- count = random_books.count()
- if count:
- related.append(random_books[randint(0, count - 1)])
- else:
- related += list(random_books.order_by('?')[:random])
+ related = Book.tagged.related_to(book,
+ Book.objects.exclude(common_slug=book.common_slug)
+ ).exclude(ancestor=book)[:limit-random]
+ random_excluded = [b.pk for b in related] + [book.pk]
return {
+ 'request': context['request'],
'books': related,
+ 'random': random,
+ 'random_excluded': random_excluded,
}
]}
-@register.simple_tag
-def tag_url(category, slug):
- return Tag.create_url(category, slug)
-
-
@register.simple_tag
def download_audio(book, daisy=True):
- related = book.related_info()
links = []
- if related['media'].get('mp3'):
+ if book.has_media('mp3'):
links.append("<a href='%s'>%s</a>" %
(reverse('download_zip_mp3', args=[book.slug]),
BookMedia.formats['mp3'].name))
- if related['media'].get('ogg'):
+ if book.has_media('ogg'):
links.append("<a href='%s'>%s</a>" %
(reverse('download_zip_ogg', args=[book.slug]),
BookMedia.formats['ogg'].name))
- if daisy and related['media'].get('daisy'):
+ if daisy and book.has_media('daisy'):
for dsy in book.get_media('daisy'):
links.append("<a href='%s'>%s</a>" %
(dsy.file.url, BookMedia.formats['daisy'].name))
}
-@register.simple_tag
-def related_tag_name(tag, lang=None):
- return _related_tag_name(tag, lang)
+@register.filter
+def class_name(obj):
+ return obj.__class__.__name__
@register.simple_tag
-def class_name(obj):
- return obj.__class__.__name__
+def source_name(url):
+ url = url.lstrip()
+ netloc = urlparse(url).netloc
+ if not netloc:
+ netloc = urlparse('http://' + url).netloc
+ if not netloc:
+ return ''
+ source, created = Source.objects.get_or_create(netloc=netloc)
+ return source.name or netloc
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def catalogue_random_book(request, exclude_ids):
+ queryset = Book.objects.exclude(pk__in=exclude_ids)
+ count = queryset.count()
+ if count:
+ return queryset[randint(0, count - 1)].pk
+ else:
+ return None
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def choose_fragment(request, book_id=None, tag_ids=None, unless=False):
+ if unless:
+ return None
+ if book_id is not None:
+ fragment = Book.objects.get(pk=book_id).choose_fragment()
+ else:
+ if tag_ids is not None:
+ tags = Tag.objects.filter(pk__in=tag_ids)
+ fragments = Fragment.tagged.with_all(tags).order_by().only('id')
+ else:
+ fragments = Fragment.objects.all().order_by().only('id')
+ fragment_count = fragments.count()
+ fragment = fragments[randint(0, fragment_count - 1)] if fragment_count else None
+ return fragment.pk if fragment is not None else None
fnp / wolnelektury.git / blobdiff